Granted Patent
Utility
US 5,950,263 · App. 08/967,192
Length extender for child's wheelchair seating system
Inventors:
Wayne H. Hanson, Clifford K. Trevillyan
Patented Case
View Patent ↗
Granted: Sep 14, 1999
Filed: Oct 29, 1997
Inventors
Wayne H. Hanson
Clifford K. Trevillyan
Assignee (at issue)
Sunrise Medical HHG, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.